import logging
import unittest


class MyTestCase(unittest.TestCase):
    def test_something(self):
        self.assertEqual(True, False)

    def test1(self):
        tree_sorts = '30,'
        for i in range(0, 0):
            print(i)
            tree_sorts += '30,'
        print(tree_sorts)
    def test2(self):
        s = '123456789'
        print(s[0:-2])


if __name__ == '__main__':
    unittest.main()
